Мини-курс по SQL от Евгении Егоровой. Курс еще обновляется, но уже есть 10 уроков (около 2х часов видео).
▫️Клиент-серверная архитектура
▫️Балансировщик нагрузки
▫️Вид и модели БД
▫️Виды связей в базах данных
▫️Ключи в базах данных
▫️Моделируем базу данных. Пример
▫️Типы данных в базах данных
▫️Установка MySQL и MAMP
▫️Типы SQL операторов
ссылка на
BY SQL для тестировщика
With the help of the Search Filters option, users can now filter search results by type. They can do that by using the new tabs: Media, Links, Files and others. Searches can be done based on the particular time period like by typing in the date or even “Yesterday”. If users type in the name of a person, group, channel or bot, an extra filter will be applied to the searches.
Telegram is a free app and runs on donations. According to a blog on the telegram: We believe in fast and secure messaging that is also 100% free. Pavel Durov, who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram.
SQL для тестировщика from id